The nor



(No Model.)

A H. PESOHGES.

CLEARING AND PURIFYING APPARATUS;

.No. 5 1L676. A Patented June 25, 1895.

A @WVMY/ U ITED STATES PATENT OFFICE.

HERMANN PESCHGES, OF POTSDAM, GERMANY. I

CLEARING AND PURIFYING APPARATUS.

SPECIFICATION forming part of Letters Patent No. 541,676, dated June 25,1895.

Application filed September 9, 1893. Serial No. 485,201. (No model.)

To all whom it may concern:

Be itknown that I, HERMANN PEsCHGEs, engineer, a subject of the King ofPrussia, German Emperor, and a resident of Potsdam, in the Kingdom ofPrussia, German Empire, have invented a certain new and useful ImprovedClearing and Purifying Apparatus, of which the following is a full,clear, and exact description.

The present invention consists of a clear-' ing and purifying apparatus,founded on the principle of the siphon, viz., that if the ends of twocommunicating tubes are immersed in liquids having differing waterlevels, the liquid having the higher level will flow to the lower level,the air being excluded from the tubes, through any quantity ofintermediate liquid on account of the slight cohesion of its particles.

The apparatus is so constructed that itm ay be employed on a large scalewithoutan air pump and that the scum or impurities deposited in thelower cistern may be removed without the aid of a scum pump, by openingthe said cistern.

In order to make the present specification more easily intelligible,reference is had to the accompanying drawings in which similar lettersdenote similar parts throughout.

The apparatus consists of the cistern a,the uppercistern bhavinga filterarranged therein and the air chamber 0, the two cisterns being connectedby means of pipes ddand the cistern b with the air chamber 0 by the pipee. The air chamberc is provided with an inletf. The apparatus hasfurther an inlet pipegand an outlet pipe hcommunicating with the pipee.The inlet pipe g has avalve it, while the pipes d d are provided withvalves 2' and t", the outlet pipe h having valve Z. The inlet to the airchamber a has a cock m and the connection 6 a cook 41. The cistern a isprovided with an outlet cock 0 and an air cock the cistern b and the airchamber 0 having air cocks q and r.

The operation of the apparatus is as follows: In starting work thevalves is and Z and the cock 0 are closed, the other cocks and valvesremaining opened. The apparatus may be filled through the funnel abovethe filterf, either direct from the water supply or by .means of a handpump, in the case of the smaller kinds of apparatus. After this hastaken place the valves 70 and Z are opened and all the other valves andcooks, with the exception of i and 2" closed. Thus the water or anyother liquid entering the apparatus at s will continue to flow out at 25While the air contained in the same will pass into the air chamber 0 andall other impurities will be deposited in the cistern a. As soon as thechamber 0 is filled with air, the valve 0% should be closed and thecocks, 'm and 0" opened, the chamber may then be refilled and theapparatus continue working.

I claim as my invention The combination of the lower cistern ahavinginlet pipe g with valve k and outlet pipe 0, the upper cistern 1)with superposed air chamber 0, pipe connection 6 with cock at from saidupper cistern to said air chamber,

suitable inlet funnel filler and cook m to the latter, and outlet pipe hto said upper cham her having valve 6 and connecting with the said pipee pipe connections 01 and d between wand 12 having valves t' and v1 andair cocks p, qand r to the cisterns a and b and air chamber 0respectively substantially as described. In witness whereof I hereuntoset my hand in presence of two witnesses.

HERMANN PESOl-IGES. Witnesses:

W. BAUTZ, H. SoHLoRF.

